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(11)

EP 3 245 258 A1

(12)

(43) Date of publication: 22.11.2017 Bulletin 2017/47 (21) Application number: 16700660.0 (22) Date of filing: 06.01.2016

(51) International Patent Classification (IPC):  C09C 1/30(2006.01) B01J 20/10(2006.01) C01B 33/12(2006.01) (86) International application number: PCT/GB2016/050024 (87) International publication number: WO 2016/110698 (14.07.2016 Gazette 2016/28)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 06.01.2015 GB 201500115 (71) Applicant: SCG Chemicals Co., Ltd. Bangkok 10800 (TH)	(72) Inventors: O'HARE, Dermot Oxford OX1 3TA (GB) CHEN, Chunping Oxford OX1 3TA (GB) (74) Representative: HGF Limited  4th Floor Merchant Exchange 17-19 Whitworth Street West Manchester M1 5WG Manchester M1 5WG (GB)